All names: 1524+566, PM J15257+5629, Gaia EDR3 1602197696772907648, USNO-B1.0 1464-00259465, TIC 165735741, EGGR 489, Gaia DR3 1602197696772907648, LP 135-438, 2MASS J15254295+5629088, NLTT 40241, Gaia DR2 1602197696772907648, 15257+5629, LSPM J1525+5629, J1525+5629, GALEX J152542.9+562909, WDJ152542.94+562908.61, PSO J231.4284+56.4851, WD 1524+566
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Blouin et al. 2019 | Leggett et al. 2018 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 15 25 42.81 (0.04) | 15 25 42.81 (0.05) | 15 25 42.81 (0.05) | 15 25 42.81 | 15 25 42.94 (0.04) | 15 25 42.81 | 15 25 44.78 | ||||||||||
Declination | 56 29 06.27 (0.04) | 56 29 06.35 (0.05) | 56 29 06.35 (0.05) | 56 29 06.27 | 56 29 08.61 (0.04) | 56 29 06.35 | 56 29 33.36 | ||||||||||
Spectral type | DA | DA | DC | DC | DA9.2 | DC | DC | DC | DA | DC9 | DC9 | ||||||
Effective temperature | [K] | 5497.0 (39) | 5532.0 (14) | 5360.5 (20) | 5180.0 (75) | 5485.0 (96) | 5501.0 | 5225.0 | 5520.0 (71) | 5529.0 (23) | |||||||
log(g) | [cgs] | 7.85 (0.03) | 7.86 (0.006) | 7.80 (0.01) | 7.64 (0.04) | 7.82 (0.04) | 7.85 | 7.65 | 8.00 (0) | 7.87 (0.01) | |||||||
Mass | [M☉] | 0.499 (0.01) | 0.506 (0.005) | 0.374 (0.02) | 0.483 (0.03) | 0.496 | 0.38 | 0.58 (0.1) | 0.507 (0.008) | ||||||||
log(Luminosity) | [L☉] | -3.87 | |||||||||||||||
Cooling age | [Gyr] | 2.3700 | 2.5320 (0.1) | 2.2220 (0.2) | 2.2970 | 2.5270 | |||||||||||
log(H/He) | |||||||||||||||||
log(C/He) | |||||||||||||||||
log(Ca/He) | |||||||||||||||||
log(Ca/H) | |||||||||||||||||
log(C/H) | |||||||||||||||||
log(N/H) | |||||||||||||||||
log(O/H) | |||||||||||||||||
log(Na/H) | |||||||||||||||||
log(Mg/H) | |||||||||||||||||
log(Al/H) | |||||||||||||||||
log(Si/H) | |||||||||||||||||
log(P/H) | |||||||||||||||||
log(S/H) | |||||||||||||||||
log(Sc/H) | |||||||||||||||||
log(Ti/H) | |||||||||||||||||
log(Cr/H) | |||||||||||||||||
log(Mn/H) | |||||||||||||||||
log(Fe/H) | |||||||||||||||||
log(Ni/H) | |||||||||||||||||
Parallax | [mas] | 31.04 (0.04) | 31.04 (0.04) | 30.92 (0.05) | 30.92 (0.05) | 30.92 (0.05) | 30.65 (0.6) | 30.92 (0.05) | 31.04 | 31.04 (0.04) | 30.92 (0.05) | ||||||
Distance | [pc] | 32.22 (0.04) | 32.22 (0.04) | 32.34 (0.05) | 32.34 (0.06) | 32.34 (0.06) | 32.63 (0.6) | 32.34 (0.06) | 28.80 (5) | 32.22 | 32.22 (0.04) | 32.34 (0.06) | |||||
Composition | H | He | He | H | |||||||||||||
Proper motion (right ascension) | [mas/yr] | -70.66396657 (0.05) | -70.63177964 (0.09) | -70.664 (0.04) | -70.63177964 | ||||||||||||
Proper motion (declination) | [mas/yr] | -146.2287811 (0.05) | -146.2152207 (0.1) | -146.229 (0.05) | -146.2152207 | ||||||||||||
Variability | |||||||||||||||||
Magnetic | |||||||||||||||||
Bd | [MG] | ||||||||||||||||
Infrared excess (disk) | |||||||||||||||||
Binarity | |||||||||||||||||
B magnitude | 17.61 | ||||||||||||||||
V magnitude | |||||||||||||||||
R magnitude | 16.30 | ||||||||||||||||
I magnitude | |||||||||||||||||
J magnitude | 15.66 (0.009) | 15.51 (0.05) | 15.51 (0.05) | ||||||||||||||
H magnitude | 15.21 (0.08) | 15.21 (0.08) | 15.21 (0.08) | ||||||||||||||
K magnitude | 15.10 (0.1) | 15.10 (0.1) | 15.10 (0.1) | ||||||||||||||
u magnitude | 18.38 (0.02) | 18.41 (0.01) | |||||||||||||||
g magnitude | 17.18 (0.005) | 17.23 (0.005) | |||||||||||||||
r magnitude | 16.72 (0.003) | 16.73 (0.004) | |||||||||||||||
i magnitude | 16.56 (0.003) | 16.54 (0.005) | |||||||||||||||
z magnitude | 16.50 (0.003) | 16.48 (0.008) | |||||||||||||||
G magnitude | 16.75 (0.005) | 16.76 | 16.76 | 16.75 | 16.75 (0.003) | 16.76 | |||||||||||
BP magnitude | 17.12 (0.005) | 17.13 | 17.13 | ||||||||||||||
RP magnitude | 16.21 (0.004) | 16.21 | 16.21 | ||||||||||||||
Pan g magnitude | 17.18 (0.005) | 17.18 (0.005) | 17.18 (0.005) | ||||||||||||||
Pan r magnitude | 16.72 (0.004) | 16.72 (0.003) | 16.72 (0.003) | ||||||||||||||
Pan i magnitude | 16.56 (0.003) | 16.56 (0.003) | 16.55 (0.003) | ||||||||||||||
Pan z magnitude | 16.50 (0.003) | 16.50 (0.003) | 16.50 (0.003) | ||||||||||||||
Pan y magnitude | 16.49 (0.009) | 16.49 (0.008) | 16.49 (0.008) | ||||||||||||||
E(B-V) | 0.003 |
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.